40 attribute fields, profiled from the January 2022 vintage.
Columns in Cook County
| Field | Type | Filled | Distinct | Example values |
|---|---|---|---|---|
| PARCEL_ID | OFTString | 10.3k | A016 036, A012 015, S009 067 | |
| SITUS | OFTString | 7.6k | 901 E 4TH ST, 0 EAST FOURTH ST, 0 EAST GORDON ST 103 SP | |
| ADDR_NUMBE | OFTString | 2.2k | 901, 207, 362 | |
| STREET_PRE | OFTString | 4 | E, E, E | |
| STREET_NAM | OFTString | 951 | 4TH, FOURTH, GORDON | |
| STREET_SUF | OFTString | 6 | S, N, N | |
| STREET_TYP | OFTString | 41 | St, St, St | |
| SITUS_CITY | OFTString | 5 | ADEL, ADEL, ADEL | |
| SITUS_ZIP | OFTString | 5 | 31620, 31620, 31620 | |
| ADDR_SEC_U | OFTString | 4 | LOT, OFFICE, LT | |
| ADDR_SE_01 | OFTString | 10 | 4, 14-UNIT, 15-UNIT | |
| OWNER | OFTString | 6.6k | DAVIS RONLAD L, PARRISH JR. ALLEN LARUE, LINDSEY GORDON | |
| TRANS_DATE | OFTDate | 1.0k | 2017-07-11, 2010-12-17, 1899-12-30 | |
| NGH_CODE | OFTString | 50 | 01600, 01400, 04200 | |
| LAND_COVER | OFTString | 10.1k | {"21": 93, "22": 277, "23": 22, "82": 42}, {"21": 219, "22": 200}, {"21": 438, "23": 86} | |
| MUNI_ID | OFTInteger64 | 2 | 1936068, 1936068, 1936068 | |
| SCHOOL_DIS | OFTInteger64 | 3 | 1301470, 1301470, 1301470 | |
| ACREAGE | OFTReal | 2.2k | 1.01, 0.0, 0.0 | |
| MKT_VAL_TO | OFTReal | 8.9k | 108545.0, 138670.0, 6876.0 | |
| ZIP_CODE | OFTString | 6 | 31620, 31620, 31647 | |
| LEGAL_DESC | OFTString | 5.8k | LL 329-3-10, LL 330, LL 285-7-2 | |
| MAIL_ADDRE | OFTString | 757 | ADEL GA 31620, ADEL GA 31620, MACON GA 31211 | |
| MAIL_AD_01 | OFTString | 5.7k | 901 E 4TH ST, SR TRUST 201 BEARCREEK RD, 157 WALNUT RIDGE | |
| MAIL_AD_02 | OFTString | 1.1k | TRUSTEE OF ALLEN LARUE PARRISH, LUCAS NELSON ROUNTREE, P O BOX 142 | |
| OWNER_OCCU | OFTString | 3 | T, F, F | |
| USPS_RESID | OFTString | 3 | T, ?, ? | |
| CENSUS_TRA | OFTInteger64 | 4 | 960300, 960300, 960300 | |
| CENSUS_BLK | OFTInteger | 5 | 2, 5, 3 | |
| CENSUS_BLO | OFTInteger | 465 | 2077, 5032, 3016 | |
| AREA_METER | OFTReal | 10.3k | 2884.91177590758, 3301.32367097555, 808.067029130101 | |
| FLD_ZONE | OFTString | 15 | {X}, {A}, {A} | |
| ZONE_SUBTY | OFTString | 12 | {"0.2 PCT ANNUAL CHANCE FLOOD HAZARD"}, {NULL}, {NULL} | |
| PLACE_GNIS | OFTInteger64 | 4 | 2403064, 2403064, 2407377 | |
| ELEVATION | OFTString | 10.2k | ||
| ROBUST_ID | OFTString | 10.3k | AAAzE0eoHe_rI-n-, AAAzE8hy9fDALWLP, AAAzE3YivccwYGzm | |
| CALC_ACREA | OFTReal | 10.3k | 0.712890548944522, 0.815790092334768, 0.199681443568339 | |
| COUNTY_NAM | OFTString | 1 | Cook, Cook, Cook | |
| COUNTY_FIP | OFTInteger64 | 1 | 13075, 13075, 13075 | |
| STATE_ABBR | OFTString | 1 | GA, GA, GA | |
| CTY_ROW_ID | OFTInteger64 | 10.3k | 8429, 7986, 10125 |
Why this differs from the next county over
There is no national parcel schema. Every assessor's office built its own, usually decades ago, usually inside whatever CAMA system it bought at the time. One county's owner column is OWNER_NAME, the next one's is own1, and a third splits it across four fields. Shapefile's ten-character DBF limit truncated a generation of them into things like TOTLNDVAL.
Nothing here is renamed or remapped. The columns above are exactly what is in the file, because a normalisation layer that quietly guesses wrong is worse than no normalisation at all — and every guess it makes is one you cannot audit.
The Filled column is the share of rows with a real value. Placeholder text such as n/a counts as empty; a column that is 100% present but 90% placeholder is a column that will disappoint you, and the profiler treats it accordingly.